Hi,
When you look at the specifications of the PCI-MIO 16-E-1, it seems to work till 55°C.
Environmental
Operating temperature 0 to 55 °C
Storage temperature -20 to 70 °C
Relative humidity 10 to 90%, noncondensing
Maximum altitude 2,000 m
May be a problem with your board ??
Regards
David D.